p1687 Acura a/t fi signal b circuit high voltage what does that mean?
Hi there,
This means there is an issue with the ECM. Here is some info for you.
P1687 ACURA - Automatic Transmission To Engine Control Module Signal 'B' Input High Read more: https://www.autocodes.com/p1687_acura.html
36.2k questions
32.2k answers
1.3k comments
22.8k users